Kaushik S, Fulcher A S, Frable W J, May D A
Department of Radiology, Medical College of Virginia, Virginia Commonwealth University, 401 N. 12th St., Box 980615, Richmond, VA 23298-0615, USA.
AJR Am J Roentgenol. 2001 Nov;177(5):1057-9. doi: 10.2214/ajr.177.5.1771057.